513206342 has 8 divisors (see below), whose sum is σ = 839792232. Its totient is φ = 233275600.

The previous prime is 513206311. The next prime is 513206363. The reversal of 513206342 is 243602315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11663759 + ... + 11663802.

It is an arithmetic number, because the mean of its divisors is an integer number (104974029).

Almost surely, 2^513206342 is an apocalyptic number.

513206342 is a deficient number, since it is larger than the sum of its proper divisors (326585890).

513206342 is a wasteful number, since it uses less digits than its factorization.

513206342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23327574.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 513206342 is about 22654.0579587852. The cubic root of 513206342 is about 800.6278103139.

Adding to 513206342 its reverse (243602315), we get a palindrome (756808657).

The spelling of 513206342 in words is "five hundred thirteen million, two hundred six thousand, three hundred forty-two".